In my intro to Silent Storm, I mentioned both modding scenes and UFO (used to distinguish the 1994 original X-COM from the 2012 Firaxis one, and not only out of increasingly sad Eurocentric obstinance) without tying the two together. That, it turns out, was stupid, because X-Piratez, a UFO mod in active development by Dioxine, is the best total conversion for any game I've ever…